2
Specifications
TABLE 1—TERMINAL RATINGS.
Terminal No. Description Ratings
G Flame Sensor Ground
Earth G Earth Ground
2
L2(N) Line Voltage Common
3 Alarm 120 Vac, 1A pilot duty.
4 Burner Motor 120 Vac, 9.8 AFL, 58.8 ALR (inrush).
5 Line Voltage Supply (L1) 120 Vac (+10/-15%), 50 or 60 Hz (+/- 10%).
3,4
6 Burner Controller and Limits 120 Vac, 1 mA.
7 Airflow Interlock 120 Vac, 9A.
8 Pilot Valve/Ignition 120 Vac, 4.5A ignition and 50VA pilot duty.
4
9 Main Fuel Valve 120 Vac, 2A pilot duty.
5
10 Ignition 120 Vac, 4.5A ignition.
4
F(11) Flame Sensor 60 to 220 Vac, current limited.
12 Unused
13 Unused
14 Unused
15 Unused
16 Unused
17 Unused
18 Unused
19 Unused
20 Unused
21 Delayed Main Valve (RM7895C,D) 20 Vac, 2A pilot duty.
22 Shutter 120 Vac, 0.5A.
1
Operating frequency chosen by RM7895 selection.
2
The RM7895 must have an earth ground providing a connection between the subbase and the control panel or the equipment.
The earth ground wire must be capable of conducting the current to blow the 20A fuse (or breaker) in event of an internal short
circuit. The RM7895 needs a low impedance ground connection to the equipment frame which, in turn, needs a low impedance
connection to earth ground. For a ground path to be low impedance at RF frequencies, the connection must be made with
minimum length conductors that have maximum surface areas. Wide straps or brackets rather than leadwires are preferred. Be
careful to verify that mechanically tightened joints along the ground path, such as pipe or conduit threads or surfaces held
together with fasteners, are free of nonconductive coatings and are protected against mating surface corrosion.
3
2000 VA maximum connected load to RM7895 Assembly.
4
Can also be 120 Vac, 1A pilot duty.
5
Can also be 65 VA pilot duty with motorized valve, 1150 VA inrush, 460 VA open, 250 VA hold.
Maximum Total Connected Load: 2000 VA.
Fusing Total Connected Load: 20A maximum, type
FRN or equivalent.
ELECTRICAL RATINGS, see Table 1:
Voltage and Frequency: 120 Vac (+10/-15%), 50 or
60 Hz (+/- 10%).
1
Power Dissipation: RM7895: 10W maximum.
RM7895A,B,C,D
SPECIFICATIONS • ORDERING INFORMATION
Ordering Information
When purchasing replacement and modernization products from your 7800 SERIES distributor, refer to the TRADELINE® Catalog
for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or phone:
1. Your local Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Satisfaction
Honeywell Inc., 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386 (612) 951-1000
In Canada—Honeywell Limited/Honeywell Limitée, 740 Ellesmere Road, Scarborough, Ontario M1P 2V9 International Sales
and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan,
Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
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